如何制作图像到图像或绘制图像。

问题描述

public void drawPoint(int x, int y, SolidBrush brush)
{

    Graphics g = Graphics.FromHwnd(picImage.Handle);
    //using (Graphics g = Graphics .FromImage (bmp ))

    //provides methods for drawing objects to the display device

    //SolidBrush brush = new SolidBrush(Color.Black);
    Point dPoint = new Point(x, (picImage.Height - y));
    dPoint.X = dPoint.X - 2;
    dPoint.Y = dPoint.Y - 2;
    Rectangle rect = new Rectangle(dPoint, new Size(5, 5));

    g.FillRectangle(brush, rect);
    g.Dispose();

}

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